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OTT Pluvio² S

The new benchmark in precipitation measurement - the new weighing precipitation gauge OTT Pluvio² S

Learn more about the OTT Pluvio² S


Our popular pressure level and temperature sensor, now with an added conductivity cell!

Learn more about the OTT PLS-C


Sutron becomes a part of Hach Environmental


New UK Website

We've worked hard to improve your online OTT experience.

See new features

Hydrolab HL4

Next generation multiparameter sonde

Learn more

OTT ecoLog Series

In-well groundwater monitoring solutions with remote data transmission

Learn more about the OTT ecoLog 500/800

OTT MF pro

Electromagnetic current meter with color handheld display

Learn more about OTT MF pro

Welcome Lufft to the OTT Hydromet Group!

Long-time meteorological sensor leader Lufft recently joined the OTT Hydromet group of companies. The combination of our Lufft, Sutron, and OTT sensors ensures comprehensive and advanced meteorological solutions for our customers!

OTT demonstrates latest water monitoring technology

OTT Hydrometry’s latest water quality and level monitoring technologies will be demonstrated at the following major events.

WWEM 2016 will take place 2-3rd November 2016 in Telford. The OTT stand (No. 126) will feature the new HydroCycle PO4, Pluvio2 and Lufft sensors. OTT will also run FREE workshops on ‘Phosphate monitoring’ and ‘Low-maintenance real-time precipitation monitoring.’ Register for free at